diff --git a/Gemfile.lock b/Gemfile.lock
index 55abc39..c07172b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,8 @@ GEM
     rake (13.2.1)
     redcarpet (3.6.0)
     regexp_parser (2.9.0)
-    rexml (3.2.6)
+    rexml (3.3.3)
+      strscan
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -98,6 +99,7 @@ GEM
     rubocop-rspec_rails (2.28.3)
       rubocop (~> 1.40)
     ruby-progressbar (1.13.0)
+    strscan (3.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)